Basic Math Examples

\sqrt{8 a b} - \sqrt{50 a b c^{2}} + \sqrt{18 a b^{3}}

$\sqrt{8 a b} - \sqrt{50 a b c^{2}} + \sqrt{18 a b^{3}}$

Step 1

Use

\sqrt[n]{a^{x}} = a^{\frac{x}{n}}

$\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite

\sqrt{8 a b}

$\sqrt{8 a b}$ as

{(8 a b)}^{\frac{1}{2}}

${(8 a b)}^{\frac{1}{2}}$ .

{(8 a b)}^{\frac{1}{2}} - \sqrt{50 a b c^{2}} + \sqrt{18 a b^{3}}

${(8 a b)}^{\frac{1}{2}} - \sqrt{50 a b c^{2}} + \sqrt{18 a b^{3}}$

Step 2

Use

\sqrt[n]{a^{x}} = a^{\frac{x}{n}}

$\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite

\sqrt{50 a b c^{2}}

$\sqrt{50 a b c^{2}}$ as

{(50 a b c^{2})}^{\frac{1}{2}}

${(50 a b c^{2})}^{\frac{1}{2}}$ .

{(8 a b)}^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + \sqrt{18 a b^{3}}

${(8 a b)}^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + \sqrt{18 a b^{3}}$

Step 3

Use

\sqrt[n]{a^{x}} = a^{\frac{x}{n}}

$\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite

\sqrt{18 a b^{3}}

$\sqrt{18 a b^{3}}$ as

{(18 a b^{3})}^{\frac{1}{2}}

${(18 a b^{3})}^{\frac{1}{2}}$ .

{(8 a b)}^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}

${(8 a b)}^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}$

Step 4

Use the power rule

{(a b)}^{n} = a^{n} b^{n}

${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 4.1

Apply the product rule to

8 a b

$8 a b$ .

{(8 a)}^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}

${(8 a)}^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}$

Step 4.2

Apply the product rule to

8 a

$8 a$ .

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}$

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - {(50 a b c^{2})}^{\frac{1}{2}} + {(18 a b^{3})}^{\frac{1}{2}}$

Step 5

Use the power rule

{(a b)}^{n} = a^{n} b^{n}

${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1

Apply the product rule to

50 a b c^{2}

$50 a b c^{2}$ .

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - ({(50 a b)}^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - ({(50 a b)}^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 5.2

Apply the product rule to

50 a b

$50 a b$ .

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - ({(50 a)}^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - ({(50 a)}^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 5.3

Apply the product rule to

50 a

$50 a$ .

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}$

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} {(c^{2})}^{\frac{1}{2}}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 6

Multiply the exponents in

{(c^{2})}^{\frac{1}{2}}

${(c^{2})}^{\frac{1}{2}}$ .

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Step 6.1

Apply the power rule and multiply exponents,

{(a^{m})}^{n} = a^{m n}

${(a^{m})}^{n} = a^{m n}$ .

8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c^{2 (\frac{1}{2})}) + {(18 a b^{3})}^{\frac{1}{2}}

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c^{2 (\frac{1}{2})}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 6.2

Cancel the common factor of

2

$2$ .

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Step 6.2.1

Cancel the common factor.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c^{2 (\frac{1}{2})}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 6.2.2

Rewrite the expression.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c^{1}) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 7

Simplify.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c) + {(18 a b^{3})}^{\frac{1}{2}}$

Step 8

Remove parentheses.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}}) c + {(18 a b^{3})}^{\frac{1}{2}}$

Step 9

Remove parentheses.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - (50^{\frac{1}{2}} a^{\frac{1}{2}}) b^{\frac{1}{2}} c + {(18 a b^{3})}^{\frac{1}{2}}$

Step 10

Remove parentheses.

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + {(18 a b^{3})}^{\frac{1}{2}}$

Step 11

Use the power rule

${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 11.1

Apply the product rule to

$18 a b^{3}$ .

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + {(18 a)}^{\frac{1}{2}} {(b^{3})}^{\frac{1}{2}}$

Step 11.2

Apply the product rule to

$18 a$ .

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + 18^{\frac{1}{2}} a^{\frac{1}{2}} {(b^{3})}^{\frac{1}{2}}$

Step 12

Multiply the exponents in

${(b^{3})}^{\frac{1}{2}}$ .

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Step 12.1

Apply the power rule and multiply exponents,

${(a^{m})}^{n} = a^{m n}$ .

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + 18^{\frac{1}{2}} a^{\frac{1}{2}} b^{3 (\frac{1}{2})}$

Step 12.2

Combine

$3$ and

$\frac{1}{2}$ .

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + 18^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{3}{2}}$

Step 13

Rewrite

$8^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} - 50^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{1}{2}} c + 18^{\frac{1}{2}} a^{\frac{1}{2}} b^{\frac{3}{2}}$ in a factored form.

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Step 13.1

Factor